64420304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{309713}}^1$

素因数の和:309734

約数の個数: 20

約数和(自身を含む): 134415876

約数和(自身を除く): 69995572

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 309713, 619426, 1238852, 2477704, 4026269, 4955408, 8052538, 16105076, 32210152, 64420304]

約数ペア:

[(1, 64420304), (2, 32210152), (4, 16105076), (8, 8052538), (13, 4955408), (16, 4026269), (26, 2477704), (52, 1238852), (104, 619426), (208, 309713)]